Joffre Edward Johnson, M.D.
Emergency Medicine Physician · Round Rock, TX
Joffre Edward Johnson, M.D. is an emergency medicine physician with a practice address in Round Rock, Texas, and NPI 1457765547, issued on Jun 17, 2014. Check the license (Texas S0468, as entered in NPPES) on the Texas Medical Board; the Medicare figures below come from public CMS files.
- Name
- Joffre Edward Johnson
- Credential
- M.D.
- Primary taxonomy
- Emergency Medicine Physician 207P00000X
- License numbers
- S0468 TX
125064607 IL
Self-reported in NPPES; status is on the state search - Practice location
- 300 University Blvd, Round Rock, TX 78665
- Phone
- (512) 509-0100
- Enumerated
- Jun 17, 2014
- Record last updated
- Nov 5, 2024
- Fax
- (512) 218-6330
- Medicare enrollment
- Enrolled (PECOS I20190831000048); accepts Medicare assignment
- Medical or professional school
- University Of Alabama School Of Medicine, 2014
- Entity
- Type 1 · individual
8 nearest emergency medicine physician records → All 4,885 in Texas → Look up another NPI →
Also registered at 300 University Blvd
A shared address usually means a shared clinic or building; it does not show who employs whom.
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Verify Joffre Edward Johnson in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersTexas Medical Board
Search for license S0468Check the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
9% more Medicare Part D claims than the average emergency medicine physician in 2024
246 Medicare Part D claims for 144 beneficiaries, against an average of 226 among the 54,106 providers of this specialty who prescribed in Part D. Brand-name drugs were 10% of claims. 48 claims were for opioids.
Most prescribed
- Hydrocodone-Acetaminophen39 claims
- Azithromycin34 claims
- Atovaquone-Proguanil Hcl20 claims
- Naproxen18 claims
- Amoxicillin-Clavulanate Potass11 claims
Source: CMS Medicare Part D Prescribers by Provider and Drug, 2024 (data.cms.gov). Part D covers prescriptions for Medicare patients only; drugs with fewer than 11 claims are not published.
Bills Medicare through 2 group practices
- Comal Emergency Physicians PLLCSan Marcos, TX
- Longhorn Emergency Medical Associates PAAustin, TX
Source: CMS Doctors and Clinicians National Downloadable File (the group practices a clinician bills Medicare through) (data.cms.gov).
Joffre Edward Johnson among 4,885 emergency medicine physician records in Texas
Joffre Edward Johnson, M.D. is one of 4,885 emergency medicine physician records with a practice address in Texas. 83% of them appear in a Medicare file (Part D prescribing, MIPS, Open Payments or Medicare group billing); this one does. Its NPI, issued in 2014, is newer than 63% of them.
- NPI issued2014 · 63% of these records are older, 33% newer
- In a Medicare fileYes · 83% of these records are
- In the CMS Doctors and Clinicians fileYes · 57% of these records are
- Graduated2014 · median 2013 among the 2,779 with a school on file
- Record last updated2024 · 55% of these records were not updated in five years or more
Source: CMS NPPES, file of Aug 9, 2026, every record with primary taxonomy 207P00000X and a Texas practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).
68 emergency medicine physician records list a practice address in Round Rock
They are 68 of the 3,815 NPPES records with a practice address in Round Rock, and 4,885 emergency medicine physician records in Texas.
All 4,885 in Texas → Every provider in Round Rock → Emergency Medicine Physician nationwide →
The 8 emergency medicine physician records with the nearest ZIP codes
- Brennen Beatty, MDRound Rock, TX 786651013076611
- William Biggers, M.D.Round Rock, TX 786651588640155
- Anthony Dumpit, M.D.Round Rock, TX 786651447462874
- Orlando Encarnacion, MDRound Rock, TX 786651366653669
- William Ewen, M.D.Round Rock, TX 786651538355490
- David Kaylor, D.O.Round Rock, TX 786651215142914
- Edward Lee, MDRound Rock, TX 786651912940867
- Ketan Patel, MDRound Rock, TX 786651386722825
Common questions
What is Joffre Edward Johnson, M.D.'s NPI number?
Joffre Edward Johnson, M.D.'s National Provider Identifier (NPI) is 1457765547, issued on Jun 17, 2014. An NPI identifies a provider in billing; it is not a license.
Where is Joffre Edward Johnson, M.D. located?
The NPPES record lists a practice address at 300 University Blvd, Round Rock, TX, 78665. Phone: (512) 509-0100. Providers update this record themselves, so call before visiting.
How can I verify Joffre Edward Johnson, M.D.'s license?
NPPES lists Texas license number S0468, as entered by the provider. Search the Texas Medical Board at https://profile.tmb.state.tx.us/Search.aspx. The NPPES record confirms identity only; the state search shows license status, expiration and public orders.
How much does Joffre Edward Johnson, M.D. prescribe under Medicare Part D?
In 2024, Joffre Edward Johnson, M.D. had 246 Medicare Part D claims for 144 beneficiaries; the average among emergency medicine physician prescribers was 226. Part D covers Medicare prescriptions only.
Source: CMS National Plan and Provider Enumeration System (NPPES), file of Aug 9, 2026 (NPPES files on CMS.gov); NUCC Health Care Provider Taxonomy. Medicare files from data.cms.gov. An NPI identifies who bills; it is not a license.
Figures on PlainDoctor are read from the federal files each page names (CMS NPPES, Medicare Part D, MIPS, Open Payments; the HHS-OIG exclusion list only as counts) and from Census population estimates, with the file date shown beside them. See our editorial standards & corrections policy, the methodology behind these numbers, or report a data error. Data current as of Aug 9, 2026.